Nuc140 series data sheet – Rainbow Electronics NUC140 User Manual
Page 15
NUC140 Series DATA SHEET
Publication Release Date: May 31, 2010
- 15 -
Revision V1.02
Pin No.
LQFP
100
LQFP
64
LQFP
48
Pin Name Pin Type
Description
PD.10
I/O
General purpose input/output digital pin
15
MISO30
I
MISO30: SPI3 MISO (Master In, Slave Out) pin
PD.11
I/O
General purpose input/output digital pin
16
MOSI30
O
MOSI30: SPI3 MOSI (Master Out, Slave In) pin
PD.12
I/O
General purpose input/output digital pin
17
MISO31
I
MISO31:
SPI3
2
nd
MISO (Master In, Slave Out) pin
PD.13
I/O
General purpose input/output digital pin
18
MOSI31
O
MOSI31:
SPI3
2
nd
MOSI (Master Out, Slave In) pin
PB.4
I/O
General purpose input/output digital pin
19 10 8
RX1
I
RX1: Data Receiver input pin for UART1
PB.5
I/O
General purpose input/output digital pin
20 11 9
TX1
O
TX1: Data transmitter output pin for UART1
PB.6
I/O
General purpose input/output digital pin
21 12
RTS1
RTS1: Request to Send output pin for UART1
PB.7
I/O
General purpose input/output digital pin
22 13
CTS1
CTS1: Clear to Send input pin for UART1
23 14 10
LDO
P
LDO output pin
24 15 11
VDD
P
Power supply for I/O ports and LDO source for
internal PLL and digital function
25 16 12
VSS
P
Ground
26
PE.8
I/O
General purpose input/output digital pin
27
PE.7
I/O
General purpose input/output digital pin
28 17 13
VBUS USB
POWER SUPPLY: From USB Host or HUB.
29 18 14
VDD33 USB
Internal
Power
Regulator
Output 3.3V Decoupling Pin
30 19 15
D-
USB
USB Differential Signal D-
31 20 16
D+
USB
USB Differential Signal D+
PB.0
I/O
General purpose input/output digital pin
32 21 17
RX0
I
RX0: Data Receiver input pin for UART0